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CVE record · CVE-2022-26826

Windows DNS Server Remote Code Execution Vulnerability

CVSS 7.2 HighEPSS 0.041 · 90th percentile

Published by the CVE Program (CNA: microsoft) at 15 Apr 2022, 19:05 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Windows 10 Version 1809
  • affected 10.0.17763.0 to before 10.0.17763.2803 custom
Microsoft Windows 10 Version 1809
  • affected 10.0.0 to before 10.0.17763.2803 custom
Microsoft Windows Server 2019
  • affected 10.0.17763.0 to before 10.0.17763.2803 custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.17763.0 to before 10.0.17763.2803 custom
Microsoft Windows 10 Version 1909
  • affected 10.0.0 to before 10.0.18363.2212 custom
Microsoft Windows 10 Version 21H1
  • affected 10.0.0 to before 10.0.19043.1645 custom
Microsoft Windows Server 2022
  • affected 10.0.20348.0 to before 10.0.20348.643 custom
Microsoft Windows 10 Version 20H2
  • affected 10.0.0 to before 10.0.19042.1645 custom
Microsoft Windows Server version 20H2
  • affected 10.0.0 to before 10.0.19042.1645 custom
Microsoft Windows 11 version 21H2
  • affected 10.0.0 to before 10.0.22000.613 custom
Microsoft Windows 10 Version 21H2
  • affected 10.0.19043.0 to before 10.0.19044.1645 custom
Microsoft Windows 10 Version 1607
  • affected 10.0.14393.0 to before 10.0.14393.5066 custom
Microsoft Windows Server 2016
  • affected 10.0.14393.0 to before 10.0.14393.5066 custom
Microsoft Windows Server 2016 (Server Core installation)
  • affected 10.0.14393.0 to before 10.0.14393.5066 custom
Identifiers
CVE-2022-26826
CNA
microsoft
Weakness (CWE)
CWE-77
Tags
Published
15 Apr 2022
Updated
2 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.041, the 90th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 Apr 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.